Home / 491,023.41-677,559.46-276,117.85

Finding the Fourth Proportional to 491,023.41, 677,559.46 and 276,117.85

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Solution

The fourth proportional to 491,023.41, 677,559.46 and 276,117.85 is: 381,012.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,023.41 : 677,559.46 = 276,117.85 : x
  2. Step 2: Convert to fraction form
    491,023.41/677,559.46 = 276,117.85/x
  3. Step 3: Cross multiply
    491,023.41x = 677,559.46 × 276,117.85
  4. Step 4: Simplify right side
    491,023.41x = 187,086,261,342.36
  5. Step 5: Solve for x
    x = 187,086,261,342.36/491,023.41
  6. Step 6: Final answer
    x = 381,012.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.